Onchocerca lupi is a vector-borne filaroid which affects wild (i.e., wolves, coyotes) and domestic carnivores (i.e., dogs, cats), and occasionally humans. This nematode causes ocular damage due to the location of adult worms embedded in the eye connective tissues. Several human cases of...

Background: In Europe, feline leishmaniosis is commonly caused by Leishmaniainfantum. There is little knowledge regarding pathogenesis, ocular manifestations and long-term follow-ups in cats with leishmaniosis. Findings: A 6-year-old female, spayed European Shorthair cat was imported from Spain to...

Uveitis is a common cause of blindness in feline patients as incorrectly treated or its chronicization can lead to formation of pre-iridal fibrovascular membranes, pupillary block and secondary glaucoma. The objective of this study was to investigate the causes of uveitis in cats diagnosed at the...

Toxoplasmosis is a cosmopolitan disease caused by Toxoplasma gondii, an obligate protozoan that affects endothermic animals, including man. Being a zoonosis that can cause abortions, fetal malformations and blindness. Cats are the definitive hosts, acting as a source of dissemination. In order to...

An 11-years old spayed female Persian chinchilla cat presented with acute onset of blindness from bilateral retinal detachment and systemic hypertension. On physical examination, the cat was tachycardic (240 beats/min) with a systolic blood pressure of around 250 mmHg. Clinical findings, blood...

Objectives: The objective of this study was to determine disease progression, association between neurological signs and magnetic resonance imaging (MRI) findings, and long-term outcome in feline thiamine deficiency associated with defective dry food. Methods: The clinical records of 17 cats...

Glaucoma is an eye disease which, particularly in cats, cannot always be controlled with medical treatment, and in most cases requires surgical treatment methods. It is a known fact that blindness occurs within 1-30 months even in feline glaucoma patients where intraocular pressure (IOP) is...

Practical relevance: Systemic hypertension is common in older cats and can result in damage to organs with a rich arteriolar supply such as the eyes, kidneys, myocardium and brain. Hypertensive disease in these organs is known as target organ damage (TOD). Disease in the eye resulting from...

Case summary: A 6-week-old entire female domestic shorthair cat was presented for evaluation of a soft bulge and a palpable skull defect on the forehead, present since adoption a few days earlier. The neurological examination revealed an absent menace response bilaterally and apparent blindness,...

Corneal pathologies in cats are the main causes of reduced visual acuity and blindness. Corneal sequestration is a specific disease of cats characterized by stromal necrosis of the cornea, in the form of black or brown foci of pathological tissue. If left untreated, sequestration consistently...